private void Button_Click_7(object sender, RoutedEventArgs e)
{
Calculator cal = new Calculator();
cal.Show();
Speak_Listen.CalcInit(cal);
}
private void Button_Click_6(object sender, RoutedEventArgs e)
{
File_Manager fm = new File_Manager();
fm.Show();
Speak_Listen.FMInit(fm);
}
private void Button_Click_5(object sender, RoutedEventArgs e)
{
Media_Player mp = new Media_Player();
mp.Show();
Speak_Listen.MPInit(mp);
}
private bool ValidateWithAcknowlwdgement(string s, bool fo) // s => name of file/folder; (f == true) => folder, else file
{
string item = (fo?"folder":"file");
if (!Valid(s))
{
Speak_Listen.StartPromptBuilder();
Speak_Listen.AddPrompt("A " + item + " name can't contain any of these characters:");
Speak_Listen.AddPrompt("Forward slash, Backslash, Pipe, Quote, Colon, Question Mark, Less Than, Greater Than, Asterisk");
Speak_Listen.AddPrompt("A " + item + " can't contain only spaces. There has to be atleast one allowed character with space.");
Speak_Listen.AddPrompt("Please type again");
Speak_Listen.SpeakPrompt();
TB1.Text = "";
return(false);
}
if (fo)
{
return(true);
}
// Regular Expression (for File Format): Any name with atleast one letter in [a-z,A-Z,0-9] before "." and atleast one letter in [a-z,A-Z,0-9] after "."
Regex regex = new Regex(@"^[a-zA-Z0-9]+\.[a-zA-Z0-9]+$");
if (!regex.IsMatch(s))
{
Speak_Listen.Speak("File name can't be without an extension.");
TB1.Text = "";
return(false);
}
return(true);
}
public void ReadOutControls(bool isBack, bool isNext, bool isUp, bool isDown, bool isFF, string ff)
{
Speak_Listen.StartPromptBuilder();
if (isBack)
{
Speak_Listen.AddPrompt("Say Back to go back");
}
if (isNext)
{
Speak_Listen.AddPrompt("Say Next to go forward");
}
if (isUp)
{
Speak_Listen.AddPrompt("Say Up to move up the list");
}
if (isDown)
{
Speak_Listen.AddPrompt("Say Down to move down the list");
}
if (isFF)
{
Speak_Listen.AddPrompt("Say " + ff + " to dictate the " + ff);
}
Speak_Listen.AddPrompt("Say Refresh to refresh the list");
Speak_Listen.AddPrompt("Say Read Out to dictate the list");
Speak_Listen.AddPrompt("Say Controls to dictate the available controls");
if (pD != null)
{
Speak_Listen.AddPrompt("Say Filter to filter the list");
}
Speak_Listen.SpeakPrompt();
}
public static void Pdf2Speech(string filename)
{
Pdf2Text(filename);
using (StreamReader sr = new StreamReader(filename + ".txt"))
{
string readout = sr.ReadToEnd();
Speak_Listen.Speak(readout);
}
}
public void ReadOutListItems()
{
Speak_Listen.StartPromptBuilder();
if (filter != "*")
{
string s = filter.Substring(1);
if (isFolder != 0 && (isFolder == 1 || dirs.Count == 0))
{
Speak_Listen.AddPrompt("This folder contains " + dirs.Count + " " + s + " folders and " + fileList.Count + " " + s + " files.");
}
}
if (isFolder == 0)
{
if (filter == "*")
{
Speak_Listen.AddPrompt("Sorry, this folder is empty");
}
else
{
Speak_Listen.AddPrompt("Sorry, this folder has no " + filter.Substring(1) + " items");
}
}
else
{
if (isFolder == 1)
{
if (firstItemNo == 1 && filter == "*")
{
if (pD != null)
{
Speak_Listen.AddPrompt("There is a total of " + dirs.Count.ToString() + " folders and " + fileList.Count.ToString() + " files in this directory.");
}
else // Indicates "This PC" part
{
Speak_Listen.AddPrompt("There is a total of " + (dirs.Count - 5).ToString() + " drives and 5 special folders in your Computer.");
}
}
if (pD != null)
{
Speak_Listen.AddPrompt("Here is the list of folders from " + firstItemNo.ToString() + " to " + lastItemNo.ToString());
}
}
else // Files
{
Speak_Listen.AddPrompt("Here is the list of files from " + firstItemNo.ToString() + " to " + lastItemNo.ToString());
}
int len = items.Count;
for (int i = 1; i <= len; i++)
{
Speak_Listen.AddPrompt("Number " + i.ToString() + ", " + items[i - 1].Folder);
}
}
Speak_Listen.SpeakPrompt();
}
private void ReadOutFilters()
{
Speak_Listen.StartPromptBuilder();
for (int i = 1; i < 12; i++)
{
string s = ((ComboBoxItem)(DropDown.Items[i - 1])).Content.ToString();
Speak_Listen.AddPrompt("Say " + (i.ToString()) + " to filter " + s);
}
Speak_Listen.AddPrompt("Say Repeat to repeat the list");
Speak_Listen.SpeakPrompt();
}
private void Filter(int index)
{
if (fmp == null || pD == null) // Occurs when the File_Manager() constructor is called
{
return;
}
string s = ((ComboBoxItem)(DropDown.Items[index - 1])).Content.ToString();
fmp.Filter(s);
UpdateMembers(false);
Speak_Listen.Speak("Filter is set to " + s);
}
private void DeleteFile(string fileName)
{
string pathString = Path.Combine(pD.FullName, fileName);
if (File.Exists(pathString))
{
File.Delete(pathString);
Refresh();
Speak_Listen.Speak("The file named " + fileName + " is deleted successfully");
return;
}
Speak_Listen.Speak("Sorry, the file has been removed by an unknown source.");
modifyListStatus = 0;
}
public void AcknowlwdgeOpen()
{
string s;
if (pD == null)
{
s = "File Manager Home";
}
else
{
s = pD.Name;
}
Speak_Listen.Speak(s + " is Opened");
}
private void DeleteDirectory(string dirName)
{
string pathString = Path.Combine(pD.FullName, dirName);
if (Directory.Exists(pathString))
{
Directory.Delete(pathString);
Refresh();
Speak_Listen.Speak("The folder named " + dirName + " is deleted successfully");
return;
}
Speak_Listen.Speak("Sorry, the folder has been removed by an unknown source.");
modifyListStatus = 0;
}
public void SelectItem(int n)
{
LB.SelectedIndex = n - firstItemNo;
string s;
if (isFolder == 1)
{
s = dictFolder[items[n - 1].Folder].Name;
}
else
{
s = dictFiles[items[n - 1].Folder].Name;
}
Speak_Listen.Speak(s + " is selected.");
}
// start playing song after the choice is made
public void StartPlay()
{
try
{
mediaElement.Source = new Uri(l1[SongNo]);
TextBox1.Text = l2[SongNo];
Thread.Sleep(50);
mediaElement.Close();
mediaElement.Play();
}
catch (ArgumentOutOfRangeException e)
{
Speak_Listen.Speak("No Files in Your Computer.");
Debug.WriteLine(e.Message);
} catch (Exception e)
{
Debug.WriteLine(e.Message);
}
}
private static string parseUsingPDFBox(string input)
{
PDDocument doc = null;
try
{
doc = PDDocument.load(input);
PDFTextStripper stripper = new PDFTextStripper();
return(stripper.getText(doc));
}
catch (Exception e) {
Speak_Listen.Speak("Sorry, no such file found!");
return("");
}
finally
{
if (doc != null)
{
doc.close();
}
}
}
private void CreateFile(string fileName)
{
if (!ValidateWithAcknowlwdgement(fileName, false))
{
return;
}
string pathString = Path.Combine(pD.FullName, fileName);
if (File.Exists(pathString))
{
Debug.WriteLine("File Already Present");
Speak_Listen.Speak("Sorry, a file named " + fileName + " already exists. Please type again.");
TB1.Text = "";
return;
}
File.Create(pathString);
Refresh();
TB1.Text = "";
BORDER.BorderBrush = Brushes.Gray;
TB1.IsEnabled = false;
Speak_Listen.Speak("A new file named " + fileName + " is created successfully.");
modifyListStatus = 0;
}
private void CreateDirectory(string dirName)
{
if (!ValidateWithAcknowlwdgement(dirName, true))
{
return;
}
string pathString = Path.Combine(pD.FullName, dirName);
if (Directory.Exists(pathString))
{
Debug.WriteLine("Directory Already Present");
Speak_Listen.Speak("Sorry,a folder named " + dirName + " already exists. Please type again.");
TB1.Text = "";
return;
}
Directory.CreateDirectory(pathString);
Refresh();
TB1.Text = "";
BORDER.BorderBrush = Brushes.Gray;
TB1.IsEnabled = false;
Speak_Listen.Speak("A new folder named " + dirName + " is created successfully.");
modifyListStatus = 0;
}
private void RenameFile(string newFileName, string oldFileName)
{
if (!ValidateWithAcknowlwdgement(newFileName, false))
{
return;
}
string newPathString = Path.Combine(pD.FullName, newFileName);
string oldPathString = Path.Combine(pD.FullName, oldFileName);
if (File.Exists(newPathString))
{
Debug.WriteLine("File Name Already Present");
Speak_Listen.Speak("A Folder named " + newFileName + " already exists. Please type again.");
TB1.Text = "";
return;
}
File.Move(oldPathString, newPathString);
Refresh();
TB1.Text = "";
BORDER.BorderBrush = Brushes.Gray;
TB1.IsEnabled = false;
Speak_Listen.Speak("The file " + oldFileName + " is renamed to " + newFileName + " successfully.");
modifyListStatus = 0;
}
public MainWindow() // Defines what to be done with assisstant start up
{
InitializeComponent();
Test.Initialize();
Speak_Listen.Initialize();
}
private void OnContentLoaded(object sender, EventArgs e)
{
Speak_Listen.Speak("Hi I am your blind assistant!");
Speak_Listen.Listen();
}
public void Instruct(string cmd)
{
Debug.WriteLine("File Manager Input: " + cmd);
if (fmp != null)
{
firstItemNo = fmp.GetFirstItemNo();
lastItemNo = fmp.GetLastItemNo();
}
TB1.Text = "";
TB1.IsEnabled = false;
BORDER.BorderBrush = Brushes.Gray;
Speak_Listen.Speak(""); // Tricky way to interrupt the file manager Voice Output
/*
* READ THIS CAREFULLY BEFORE YOU ADD NEW case in switch
* =====================================================
*
* NOTE 1:- Add this function at the start of your case(if it has nothing to do with variable "isFilterActive"):
* ------
* UpdateFilter(false);
*/
switch (cmd)
{
case "Back":
UpdateFilter(false);
if (B.IsEnabled)
{
Back();
}
else
{
Speak_Listen.Speak("Sorry, No such control is present");
}
break;
case "Next":
UpdateFilter(false);
if (N.IsEnabled)
{
Next();
}
else
{
Speak_Listen.Speak("Sorry, No such control is present");
}
break;
case "Up":
UpdateFilter(false);
if (U.IsEnabled)
{
Up();
}
else
{
Speak_Listen.Speak("Sorry, No such control is present");
}
break;
case "Down":
UpdateFilter(false);
if (D.IsEnabled)
{
Down();
}
else
{
Speak_Listen.Speak("Sorry, No such control is present");
}
break;
case "Files":
case "Folders":
UpdateFilter(false);
if (F.IsEnabled)
{
if (cmd == F.Content.ToString()) // If this is the same content as wrtten on the Button F.
{
FileOrFolder();
}
else
{
fmp.ReadOutListItems();
}
}
else
{
Speak_Listen.Speak("Sorry, No such control is present");
}
break;
case "Refresh":
UpdateFilter(false);
Refresh();
break;
case "Read Out":
if (isFilterActive)
{
ReadOutFilters();
firstItemNo = 1; // For Dynamic Loading of Grammar in "Speak_Listen" class
lastItemNo = 11; // For Dynamic Loading of Grammar in "Speak_Listen" class
}
else
{
fmp.ReadOutListItems();
}
break;
case "Controls":
UpdateFilter(false);
ReadOutControls();
break;
case "Filter":
if (pD == null) // If this is the home page of the file manager
{
Speak_Listen.Speak("Sorry, No such control is present");
}
else
{
UpdateFilter(true);
ReadOutFilters();
firstItemNo = 1; // Use to dynamically load grammar in Speak_Listen class
lastItemNo = 11; // Use to dynamically load grammar in Speak_Listen class
}
break;
case "New Folder":
UpdateFilter(false);
if (NF1.IsEnabled)
{
modifyListStatus = 1;
BORDER.BorderBrush = Brushes.Yellow;
Speak_Listen.Speak("Type the name of the new folder.");
TB1.IsEnabled = true;
TB1.Focus();
}
else
{
Speak_Listen.Speak("Sorry, No such control is present");
}
break;
case "New File":
UpdateFilter(false);
if (NF2.IsEnabled)
{
modifyListStatus = 2;
BORDER.BorderBrush = Brushes.Yellow;
Speak_Listen.Speak("Type the name of the new file.");
TB1.IsEnabled = true;
TB1.Focus();
}
else
{
Speak_Listen.Speak("Sorry, No such control is present");
}
break;
case "Delete":
UpdateFilter(false);
if (DF1.IsEnabled)
{
int sel = fmp.GetSelectedItemNo();
if (sel == 0)
{
Speak_Listen.Speak("You haven't selected any item.");
}
else
{
modifyListStatus = 3;
if (isFolder == 1)
{
DeleteDirectory(fmp.GetSelectedFolder(sel).Name);
}
else // isFolder == 2; isFolder == 0 not possible to reach here
{
DeleteFile(fmp.GetSelectedFile(sel).Name);
}
}
}
else
{
Speak_Listen.Speak("Sorry, No such control is present");
}
break;
case "Rename":
UpdateFilter(false);
if (RNF1.IsEnabled)
{
int sel = fmp.GetSelectedItemNo();
if (sel == 0)
{
Speak_Listen.Speak("You haven't selected any item.");
}
else
{
modifyListStatus = 4;
BORDER.BorderBrush = Brushes.Yellow;
Speak_Listen.Speak("Type the new name of the item selected");
TB1.IsEnabled = true;
TB1.Focus();
}
}
else
{
Speak_Listen.Speak("Sorry, No such control is present");
}
break;
case "Open":
UpdateFilter(false);
Open(fmp.GetSelectedItemNo());
break;
default: // Number input
int n = int.Parse(cmd);
if (isFilterActive) // Number input for filters
{
if (n >= 1 && n <= 11) // In range
{
UpdateFilter(false);
Filter(n);
}
else // Out of range
{
Speak_Listen.Speak("Wrong option. Say a number from 1 to 11.");
}
}
else // Number input for file/folder selection
{
if (isFolder == 0)
{
Speak_Listen.Speak("Sorry, this folder is empty");
}
else
{
if ((n < firstItemNo) || (n > lastItemNo)) // Item no. selected is not actually present in the list
{
Speak_Listen.Speak("Wrong option. Say a number from " + firstItemNo.ToString() + " to " + lastItemNo.ToString());
}
else // In Range
{
fmp.SelectItem(n);
}
}
}
break;
}
}
public static void Open(string cmd)
{
RetrieveSystemWebBrowsers();
RetrieveAllOpenProcesses();
switch (cmd)
{
case "Open Firefox":
if (browser_path["Mozilla Firefox"] == "") // Firefox is not installed
{
Speak_Listen.Speak("Sorry, Firefox is not installed!");
}
else if (open_apps["firefox"]) // Firefox is already open and (in)/(not in) focus
{
Process[] processes = Process.GetProcessesByName("firefox");
foreach (var p in processes)
{
IntPtr hWnd = p.MainWindowHandle;
if (IsIconic(hWnd))
{
ShowWindowAsync(hWnd, SW_RESTORE);
}
SetForegroundWindow(hWnd);
}
Speak_Listen.Speak("Firefox is opened!");
}
else // Firefox is installed but not open
{
/*
* TODO 1: Report error, if any, while opening the same.
*/
Process p = Process.Start(browser_path["Mozilla Firefox"]);
p.WaitForInputIdle();
Speak_Listen.Speak("Firefox is Opened!");
p.WaitForExit();
p.Dispose();
Speak_Listen.Speak("Firefox is closed!");
Thread.Sleep(100);
}
break;
case "Open Chrome":
if (browser_path["Google Chrome"] == "") // Chrome is not installed
{
Speak_Listen.Speak("Sorry, Chrome is not installed!");
}
else if (open_apps["chrome"]) // Chrome is already open and (in)/(not in) focus
{
Process[] processes = Process.GetProcessesByName("chrome");
foreach (var p in processes)
{
IntPtr hWnd = p.MainWindowHandle;
if (IsIconic(hWnd))
{
ShowWindowAsync(hWnd, SW_RESTORE);
}
SetForegroundWindow(hWnd);
}
Speak_Listen.Speak("Chrome is opened!");
}
else // Chrome is installed but not open
{
/*
* TODO 1: Report error, if any, while opening the same.
*/
Process p = Process.Start(browser_path["Google Chrome"]);
p.WaitForInputIdle();
Speak_Listen.Speak("Chrome is Opened!");
p.WaitForExit();
p.Dispose();
Speak_Listen.Speak("Chrome is closed!");
Thread.Sleep(100);
}
break;
case "Open Browser":
case "Open Internet Explorer":
if (browser_path["Internet Explorer"] == "") // IE is not installed
{
Speak_Listen.Speak("Sorry, Internet Explorer is not installed!");
}
else if (open_apps["iexplore"]) // IE is already open and (in)/(not in) focus
{
Process[] processes = Process.GetProcessesByName("iexplore");
foreach (var p in processes)
{
IntPtr hWnd = p.MainWindowHandle;
if (IsIconic(hWnd))
{
ShowWindowAsync(hWnd, SW_RESTORE);
}
SetForegroundWindow(hWnd);
}
Speak_Listen.Speak("Internet Explorer is opened!");
}
else // IE is installed but not open
{
/*
* TODO 1: Report error, if any, while opening the same.
*/
Process p = Process.Start(browser_path["Internet Explorer"]);
p.WaitForInputIdle();
Speak_Listen.Speak("Internet Explorer is Opened!");
p.WaitForExit();
p.Dispose();
Speak_Listen.Speak("Internet Explorer is closed!");
Thread.Sleep(100);
}
break;
default:
break;
}
}
private void Open(int selectedItemNo)
{
if (selectedItemNo == 0)
{
Speak_Listen.Speak("You haven't selected any item.");
}
else if (isFolder == 1)
{
DirectoryInfo dI = fmp.GetSelectedFolder(selectedItemNo);
/******************* Memory Management Start ***************/
temp = llnode.Next;
while (temp != null)
{
nxt = temp.Next;
temp.Value.Dispose();
ll.Remove(temp);
temp = nxt;
}
/******************* Memory Management Finish ****************/
ll.AddAfter(llnode, new File_Manager_Page(dI));
llnode = llnode.Next;
fmp = llnode.Value;
B.IsEnabled = true;
N.IsEnabled = false;
UpdateMembers(true);
MainFrame.Navigate(fmp);
}
else
{
FileInfo fI = fmp.GetSelectedFile(selectedItemNo);
Debug.WriteLine("QQQQQQQQQQQQQ " + fI.Name);
if (fI.Name == "firefox.exe" || fI.Name == "chrome.exe" || fI.Name == "iexplore")
{
// TODO 1: Call the Web Browser Controller
}
else
{
switch (fI.Extension)
{
case ".pdf":
// TODO 1: Call the PDF Reader
break;
case ".txt":
// TODO 1: Call the Respective Document Controller
break;
case ".doc":
case ".docx":
Document.MSWord_Controller mSWord = new Document.MSWord_Controller(fI.FullName);
break;
case ".mp3":
case ".mp4":
case ".wav":
case ".mpeg":
case ".wmv":
case ".avi":
// TODO 1: Call the Media Player
break;
default:
Speak_Listen.Speak("Sorry, the file format is not supported.");
break;
}
}
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
Speak_Listen.Speak("Hi Jerwin Mistry, how are you!");
}
public static void VoiceOutput(object obj)
{
string speakout = (string)obj;
Speak_Listen.Speak(speakout);
}
public static Thread OutputThread = new Thread(new ParameterizedThreadStart(VoiceOutput)); // Thread for Voice Output
/*************** Threads end here ******************/
/******** Functions to be run in threads ***********/
public static void VoiceInput()
{
Speak_Listen.Listen();
}
